Enjoyed the talk a lot: it really gives the brain some food to struggle over for a while. Even I despite I will ever use any of the examples from the presentation in real project (just as Marco recommends), it's still great to know about those features of php language and libraries.

Great talk. Although the introduction to voodoo as a religion seemed kind of odd and was not really of any importance to the talk itself as the topic was not picked up again during the talk. Covered some really neat/freaky stuff that is good to know, but hard to find a use case for ;)